[libvirt] [PATCH v2 04/18] LXC from native: migrate fstab and lxc.mount.entry
Daniel P. Berrange
berrange at redhat.com
Tue Feb 4 12:28:26 UTC 2014
On Thu, Jan 30, 2014 at 10:55:52AM +0100, Cédric Bosdonnat wrote:
> Tmpfs relative size and default 50% size values aren't supported as
> we have no idea of the available memory at the conversion time.
> ---
> src/lxc/lxc_container.c | 2 +-
> src/lxc/lxc_container.h | 2 +
> src/lxc/lxc_native.c | 245 +++++++++++++++++++++++-
> tests/lxcconf2xmldata/lxcconf2xml-fstab.config | 37 ++++
> tests/lxcconf2xmldata/lxcconf2xml-simple.config | 4 +-
> tests/lxcconf2xmldata/lxcconf2xml-simple.xml | 9 +
> tests/lxcconf2xmltest.c | 60 +++---
> 7 files changed, 330 insertions(+), 29 deletions(-)
> create mode 100644 tests/lxcconf2xmldata/lxcconf2xml-fstab.config
> +static int
> +lxcAddFstabLine(virDomainDefPtr def, lxcFstabPtr fstab)
> +{
> + char *src = NULL;
> + char *dst = NULL;
> + char **options = virStringSplit(fstab->options, ",", 0);
> + bool readonly;
> + int type = VIR_DOMAIN_FS_TYPE_MOUNT;
> + unsigned long long usage = 0;
> +
> + if (fstab->dst[0] != '/') {
> + if (virAsprintf(&dst, "/%s", fstab->dst) < 0)
> + goto error;
> + } else if (VIR_STRDUP(dst, fstab->dst) < 0)
> + goto error;
Nit-pick: i think it'd be slightly clearer if you did
} else {
if (VIR_STRDUP(dst, fstab->dst) < 0)
goto error;
}
because we prefer that if/else both match in their
use of {}
> +
> + /* Check that we don't add basic mounts */
> + if (lxcIsBasicMountLocation(dst)) {
> + VIR_FREE(dst);
> + return 0;
> + }
> +
> + if (STREQ(fstab->type, "tmpfs")) {
> + char *sizeStr = NULL;
> + size_t i;
> + type = VIR_DOMAIN_FS_TYPE_RAM;
> +
> + for (i = 0; options[i]; i++) {
> + if ((sizeStr = STRSKIP(options[i], "size="))) {
> + if (lxcConvertSize(sizeStr, &usage) < 0)
> + goto error;
> + break;
> + }
> + }
> + if (!sizeStr) {
> + virReportError(VIR_ERR_INTERNAL_ERROR, "%s",
> + _("missing tmpfs size, set the size option"));
> + goto error;
> + }
> + } else if (VIR_STRDUP(src, fstab->src) < 0)
> + goto error;
And here too - add {} in the 'else { ..strdup bits.. }'
ACK with the nitpick fixed.
Daniel
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